The Hummingbird's Heartbeat

A hummingbird's heart beats 20 times every single second—faster than almost any creature on Earth. We dive into the microscopic chambers, specialized cells, and evolutionary adaptations that power the world's most efficient flying machine. In under a minute, discover why this tiny heart is one of nature's greatest engineering marvels.

Episode metadata supplied by the publisher feed · Published May 29, 2026

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The Hummingbird's Heartbeat

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This episode is 13 minutes long.

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This episode was published on May 29, 2026.

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